36... c7a7  37. h4g3  37... a7a2 Although the pawn structure is different, this position reminded me of the famous Lasker-Capablanca ending from game 10 of their 1921 match. 38. e2f4 [%c_effect f4;square;f4;type;Inaccuracy;persistent;true] 38... a2a3 [%c_effect a3;square;a3;type;Inaccuracy;persistent;true]